<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <div id="app">
        <input type="button" :value="msg"/>
    </div>
</body>
<script type="text/javascript">
    var app = new Vue({
        el:"#app",
        data:{
            msg:"我是按钮"
        }
    });

</script>
</html>